1. Filter mysql dump, speedup restore process by upto 100 times

	go build -o mysqldump_filter mysqldump_filter.go && scp mysqldump_filter root@grafana-restore.mon.yandex.net:~/
	ssh grafana-myt-00.mon.yandex.net "cat /Berkanavt/grafana/backup/mysql_grafana_backup_20211203_121001.gz" | gzip -cd | ./mysqldump_filter | mysql grafana

2. Update from tmp table0:
	UPDATE table1 SET table1.value = (SELECT table0.value FROM table0 WHERE table0.fld_id = table1.fld_id) WHERE table1.fldX < X;
